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Hypericum androsaemum - L.

Common Name Tutsan, Sweet-amber, St. Johnswort
Family Hypericaceae
USDA hardiness 5-10
Known Hazards None known
Habitats Damp woods and hedges[17].
Range Western and southern Europe, including Britain, south and east to Algeria, W. Asia and the Caucasus.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care (info)
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun
Hypericum androsaemum Tutsan, Sweet-amber, St. Johnswort


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Hypericum androsaemum Tutsan, Sweet-amber, St. Johnswort
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Summary

Bloom Color: Yellow. Main Bloom Time: Early summer, Late summer, Mid summer. Form: Rounded, Spreading or horizontal.


Physical Characteristics

 icon of manicon of shrub
Hypericum androsaemum is a deciduous Shrub growing to 1 m (3ft 3in) by 1 m (3ft 3in) at a fast rate.
It is hardy to zone (UK) 6. It is in flower from June to August, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very acid and very alkaline soils.
It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

Woodland Garden Dappled Shade; Shady Edge; Ground Cover; Hedgerow;

Edible Uses

None known

References

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Antiseptic  Diuretic  Stomachic  Vulnerary

The leaves are diuretic, stomachic and vulnerary[61, 186]. They have antiseptic properties and have been used to cover open wounds[245].

References

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An important new book from PFAF. It focuses on the attributes of plants suitable for food forests, what each can contribute to a food forest ecosystem, including carbon sequestration, and the kinds of foods they yield. The book suggests that community and small-scale food forests can provide a real alternative to intensive industrialised agriculture, and help to combat the many inter-related environmental crises that threaten the very future of life on Earth.

Read More

FOOD FOREST PLANTS

Other Uses

A good ground cover plant[208]. Although it is clump forming rather than spreading it increases freely by self-sowing[186, 200]. Plants are best spaced about 90cm apart each way[208].

Special Uses

Ground cover  Scented Plants

References

Cultivation details

Landscape Uses:Border, Erosion control, Ground cover, Massing, Rock garden. Easily grown in any reasonably good well-drained but moisture retentive soil[1]. Tolerates a wide range of pH[186]. Succeeds in sun or semi-shade[1] but flowers better in a sunny position[200]. Succeeds in dry shade and is drought tolerant when established[190]. Hardy to about -20°c, but if cut back by cold weather plants can resprout from the base[184]. Plants often self-sow freely[208]. A number of named forms have been developed for their ornamental value[182]. Plants in this genus are notably resistant to honey fungus[200]. The leaves are covered in pellucid dots which, when touched, release a resinous smell somewhat like goats[245]. Special Features: Attractive foliage, Naturalizing, Attracts butterflies, Attractive flowers or blooms

References

Temperature Converter

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The PFAF Bookshop

Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.

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Propagation

Seed - sow spring in a greenhouse and only just cover the seed. The seed usually germinates in 1 - 3 months at 10°c. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Cuttings of half-ripe wood 10 - 12 cm with a heel, July/August in a frame. Plant out in the following spring[200] Careful division of old suckering shrubs in the dormant season.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Hypericum ascyronGreat Saint John's WortPerennial1.5 3-7  LMHSNM12 
Hypericum attenuatum Perennial0.6 -  LMHSNDM10 
Hypericum bellum Shrub1.0 5-9  LMHSNM01 
Hypericum calycinumRose Of Sharon, Aaron's beard, Creeping Aron's Beard St. JohnswortShrub0.3 5-10 FLMHFSNDM00 
Hypericum erectum Perennial0.6 5-9  LMHSNM11 
Hypericum forrestii Shrub2.0 4-8  LMHSNM00 
Hypericum hypericoidesSt. Andrews CrossShrub1.2 5-9  LMSNDM02 
Hypericum japonicumMatted St. John's WortAnnual/Perennial0.5 -  LMHSNMWe02 
Hypericum kamtschaticum Perennial0.3 -  LMHSNM10 
Hypericum monogynum Shrub0.7 8-11  LMHSNM02 
Hypericum patulumGoldencup St. JohnswortShrub1.0 6-7 MLMHSNM01 
Hypericum perforatumSt. John's Wort, Common St. JohnswortPerennial0.9 3-7  LMHSNM242
Hypericum sampsonii Perennial0.6 8-11  LMHSNM12 

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Botanical References

17200

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